密封舱
2.Considering the magnetic measurement and seafloor operation, the sealed pressure case should be nonmagnetic and transportable.
3.Below, the captainrealized to his horror that the Titanic wassinking rapidly, for five of her sixteen watertight compartments had alreadybeen flooded!
4.Below, the captain realized to his horror that the Titanic was sinking rapidly,for five of her watertight compartments had already been flooded!
5.At that time, however, she was not only the largest ship that had ever been built, but was regarded as unsinkable, for she had sixteen watertight compartments.
6.After comparing three repair scenarios, the following methods were chosen: injecting modified mud to heading face through mud supply tubes of the shield construction machine to block water seepage on the heading face; then maintenance worker entering the cabin under pressure to replace damaged seal and press cutterhead.
